[PHP] Is this inefficient?

[Todd Cary]

I may have two buttons on the form and the Form Action has the same 
value as the current form, then at the top of my php script, I may have

$continue = $HTTP_POST_VARS[btnContinue];
$cancel   = $HTTP_POST_VARS[btnCancel];
followed by

if ($continue) {
 //Do something - usually go to another page
} elseif {
($cancel) {
 // Do something - usually go to another page
} else {
 //Do something
}
Is this inefficient or is there a better way to do this?

+++

For listing records, I create a function, grid_show() and use it like 
below after creating the header.  It gets called for each record in the 
record set.  Suggestions welcomed....

Todd

 /* Display the grid */
 function grid_show($id, $ct, $date, $place, $est_amt, $card, $ccn, 
$session_id) {
   if ($ct % 2) {
     $class = "Even";
   } else {
     $class = "Odd";
   }
   echo("<tr>");
   // The first column contains a link for the display of the record
   // in trans_edit.php.
   echo('<td class="' . $class . '"><b><a 
href="trans_edit.php?session_id=' . $session_id .
                                      '&tmp_id=' . $id .
                                      '">' . Edit . '</a>' .
                                      "</b></td>");
       echo(NL);
       echo('<td class="' . $class . '"><b>' . $date . "</b></td>");
       echo(NL);
       echo('<td class="' . $class . '"><b>' . $place . "</b></td>");
       echo(NL);
       echo('<td class="' . $class . '"><b>' . $est_amt . "</b></td>");
       echo(NL);
       echo('<td class="' . $class . '"><b>' . $card . "</b></td>");
       echo(NL);
       echo('<td class="' . $class . '"><b>' . $ccn . "</b></td>");
       echo(NL);
       echo('<td class="' . $class . '"><b>' . $state . "</b></td>");
       echo(NL);
       echo("</tr>\n");
 }

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